From 43494e4994ea176858092273277900d036db77cd Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Fri, 16 Jun 2023 20:48:19 -0400
Subject: [PATCH] Add note about expecting client side to cache search domain?

---
 piker/brokers/binance/feed.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/piker/brokers/binance/feed.py b/piker/brokers/binance/feed.py
index 7a0a80b3..84e0914b 100644
--- a/piker/brokers/binance/feed.py
+++ b/piker/brokers/binance/feed.py
@@ -470,18 +470,22 @@ async def open_symbol_search(
 
         # load all symbols locally for fast search
         fqpairs_cache = await client.exch_info()
+        # TODO: maybe we should deliver the cache
+        # so that client's can always do a local-lookup-first
+        # style try and then update async as (new) match results
+        # are delivered from here?
         await ctx.started()
 
         async with ctx.open_stream() as stream:
 
+            pattern: str
             async for pattern in stream:
-                # results = await client.exch_info(sym=pattern.upper())
-
                 matches = fuzzy.extractBests(
                     pattern,
                     fqpairs_cache,
                     score_cutoff=50,
                 )
+
                 # repack in dict form
                 await stream.send({
                     item[0].bs_fqme: item[0]